Bump org.jenkins-ci.main:jenkins-core from 2.480 to 2.481 #2102

Job	Run time
firefox-container / DetailsTabUiTest	13m 31s
chrome-container / DetailsTabUiTest	13m 7s
firefox-container / FreeStyleConfigurationUiTest	10m 23s
chrome-container / FreeStyleConfigurationUiTest	10m 32s
firefox-container / GlobalConfigurationUiTest	21m 48s
chrome-container / GlobalConfigurationUiTest	16m 21s
firefox-container / IssuesColumnUiTest	10m 34s
chrome-container / IssuesColumnUiTest	21m 45s
firefox-container / SnippetGeneratorUiTest	11m 0s
chrome-container / SnippetGeneratorUiTest	17m 4s
firefox-container / TrendChartsUiTest	21m 19s
chrome-container / TrendChartsUiTest	15m 49s
firefox-container / WarningsPluginUiTest	24m 32s
chrome-container / WarningsPluginUiTest	17m 39s
firefox-container / SmokeTests	12m 26s
chrome-container / SmokeTests	11m 21s
	4h 9m 11s

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